Page 60 - Bangladesh_classwiz_BOOK2018_rev_Neat

2
2
aiv hvK, GKwU mgxKiY 7 − 2 − 3 = 0 mgxKiYwUi mgvavb Kivi Rb¨ Av`k© iƒ‡c + + =
2
0 AvKv‡i mvRv‡j −3 + 7 − 2 = 0 cvIqv hvq|
Equation mode-G type 2 wbe©vPb K‡i wZbwU mnM = −3, = 7, = −2 cÖ‡ek Kiv‡bv n‡jv|

Z…Zxq w¯Œ‡b ‡`Lv hv‡”Q Gi gvb `kwgK msL¨vq cÖ`wk©Z n‡q‡Q (‡h‡nZy ClassWiz G Input/Output Gi
2
Rb¨ MathI/DecimalO ‡mU Kiv Av‡Q)| fMœvsk AvKv‡i gvbwU cvIqvi Rb¨ n evUb Pvc‡j wb‡Pi g‡Zv K‡i
djvdj cÖ`wk©Z n‡e|

4.5 wÎNvZ mgxKi‡Yi mgvavb

wÎNvZ mgxKiY mgvav‡bi Rb¨ wz ‡P‡c Equation/Function-G cÖ‡ek Kivi ci cÖ_‡g 2 Ges Zvici
2
3
3 ‡P‡c wÎNvZ mgxKiY wbe©vPb Ki‡Z n‡e| D`vniY¯^iƒc, aiv hvK, GKwU mgxKiY − − 6 = 0.
G‡¶‡Î cÖ_‡g wb‡Pi g‡Zv K‡i , , , Gi gvb cÖ‡ek Kiv‡Z n‡e, ‡h¸‡jvi gvb h_vµ‡g 1, −1,−6 I 0.

cÖ‡Z¨KwU gvb emv‡bvi ci = evUb Pvc‡Z n‡e|

mgxKiYwU mgvavb Kivi Rb¨ cybivq =evUb Pvc‡Z _vK‡j ch©vqµ‡g wZbwU g~j cvIqv hv‡e hv wb‡P ‡`Lv‡bv
n‡q‡Q|

C Pvc‡j K¨vjKy‡jUi mnM cÖ‡e‡ki w¯Œb cÖ`k©b Ki‡e| cybivq C Pvc‡j mnM¸‡jv k~b¨ n‡q hv‡e|

4.6 PZyN©vZ wewkó mgxKi‡Yi mgvavb|

3
4
2
wÎNvZ wewkó mgxKi‡Yi g‡Zv K‡iB PZyN©vZ wewkó mgxKiY + + + + = 0 Gi mgvavb
Kiv hvq| cÖ_‡g w z ( ) e¨envi K‡i Equaction/Function Mode G ‡h‡Z n‡e| Gici 2 ‡P‡c
Polynomial wbe©vPb Ki‡Z n‡e| AZtci 4 ‡P‡c PZyN©vZ mgxKiY wbe©vPb K‡i h_vµ‡g , , , I Gi
gvb cÖ‡ek Kwi‡q = evUb Pvc‡Z _vK‡j cici mgxKi‡Yi PviwU g~j cÖ`k©b Ki‡e|

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